package astudy.util;

public class Indent {

	private StringBuffer indent;
	private String step;
	public Indent() {
		indent = new StringBuffer("");
		step = "    ";
	}
	public void increase() {
		indent.append(step);
	}
	public void decrease() {
		indent.deleteCharAt(indent.length()-1);
	}
	@Override
	public String toString() {
		return indent.toString();
	}
}
